1<html lang="en"> 2<head> 3<title>wcscspn - Untitled</title> 4<meta http-equiv="Content-Type" content="text/html"> 5<meta name="description" content="Untitled"> 6<meta name="generator" content="makeinfo 4.13"> 7<link title="Top" rel="start" href="index.html#Top"> 8<link rel="up" href="Wchar-strings.html#Wchar-strings" title="Wchar strings"> 9<link rel="prev" href="wcpcpy.html#wcpcpy" title="wcpcpy"> 10<link rel="next" href="wcsftime.html#wcsftime" title="wcsftime"> 11<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> 12<meta http-equiv="Content-Style-Type" content="text/css"> 13<style type="text/css"><!-- 14 pre.display { font-family:inherit } 15 pre.format { font-family:inherit } 16 pre.smalldisplay { font-family:inherit; font-size:smaller } 17 pre.smallformat { font-family:inherit; font-size:smaller } 18 pre.smallexample { font-size:smaller } 19 pre.smalllisp { font-size:smaller } 20 span.sc { font-variant:small-caps } 21 span.roman { font-family:serif; font-weight:normal; } 22 span.sansserif { font-family:sans-serif; font-weight:normal; } 23--></style> 24<link rel="stylesheet" type="text/css" href="../cs.css"> 25</head> 26<body> 27<div class="node"> 28<a name="wcscspn"></a> 29<p> 30Next: <a rel="next" accesskey="n" href="wcsftime.html#wcsftime">wcsftime</a>, 31Previous: <a rel="previous" accesskey="p" href="wcpcpy.html#wcpcpy">wcpcpy</a>, 32Up: <a rel="up" accesskey="u" href="Wchar-strings.html#Wchar-strings">Wchar strings</a> 33<hr> 34</div> 35 36<h3 class="section">6.12 <code>wcscspn</code>—get length of a complementary wide substring</h3> 37 38<p><strong>Synopsis</strong> 39<pre class="example"> #include <wchar.h> 40 size_t wcscspn(const wchar_t *<var>s</var>, wchar_t *<var>set</var>); 41 42</pre> 43 <p><strong>Description</strong><br> 44The <code>wcscspn</code> function computes the length of the maximum initial 45segment of the wide-character string pointed to by <var>s</var> which consists 46entirely of wide-character codes not from the wide-character string 47pointed to by <var>set</var>. 48 49 <p><br> 50<strong>Returns</strong><br> 51The <code>wcscspn</code> function returns the length of the initial substring of 52<var>s1</var>; no return value is reserved to indicate an error. 53 54 <p><br> 55<strong>Portability</strong><br> 56<code>wcscspn</code> is ISO/IEC 9899/AMD1:1995 (ISO C). 57 58 <p>No supporting OS subroutines are required. 59 60 <p><br> 61 62 </body></html> 63 64